Evidence row 1233623

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "FREE. Median full-time gross annual pay for employees working in the local authority of a UK postcode (ONS ASHE).",
      "inputSchema": {
        "properties": {
          "postcode": {
            "type": "string"
          }
        },
        "required": [
          "postcode"
        ],
        "type": "object"
      },
      "name": "area_salary"
    },
    {
      "description": "PRO. Compare median and percentile pay across up to 10 postcodes/areas — for relocation, hiring and pricing.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "measure": {
            "description": "annual-pay-gross (default) | weekly-pay-gross | hourly-pay-gross",
            "type": "string"
          },
          "pattern": {
            "description": "full-time (default) | part-time | all",
            "type": "string"
          },
          "postcodes": {
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "required": [
          "postcodes"
        ],
        "type": "object"
      },
      "name": "compare_areas"
    },
    {
      "description": "PRO. Where does a salary sit in the local pay distribution (approximate percentile) for a postcode?",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "measure": {
            "description": "annual-pay-gross (default) | weekly-pay-gross | hourly-pay-gross",
            "type": "string"
          },
          "pattern": {
            "description": "full-time (default) | part-time | all",
            "type": "string"
          },
          "postcode": {
            "type": "string"
          },
          "salary": {
            "type": "number"
          }
        },
        "required": [
          "postcode",
          "salary"
        ],
        "type": "object"
      },
      "name": "offer_check"
    },
    {
      "description": "PRO. 10th–90th percentile + mean/median pay for a postcode's area, by working pattern, measure (annual/weekly/hourly), sex, workplace or residence basis.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "basis": {
            "description": "workplace | residence",
            "type": "string"
          },
          "measure": {
            "description": "annual-pay-gross (default) | weekly-pay-gross | hourly-pay-gross",
            "type": "string"
          },
          "pattern": {
            "description": "full-time (default) | part-time | all",
            "type": "string"
          },
          "postcode": {
            "type": "string"
          },
          "sex": {
            "type": "string"
          }
        },
        "required": [
          "postcode"
        ],
        "type": "object"
      },
      "name": "salary_percentiles"
    }
  ]
}

What the leaf hashes

{"body":"9a39be0e413d70c4b0d918ad2be7a8999fbe2774924b6662b4e9c883c99148b4","id":1233623,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793347468247918,"prev":null,"subject":"7346ad77-bfb2-42ad-a3b1-61b582b87ecd","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0xfb7e55251e6dcceb540561b4b2b84d0f94a0c5b735ec8f31e8fbf4a24691938d
2. 0xbee8bc9414c3c7246111d0179dbdcfce8a25fd69d1382def61789c1ce8f08e04
3. 0xa69a63804962a13a414c38af48da67b80412525d8e2afd59f7abb2eae386cf55
4. 0x1ce2175d1363ec7805560f4034d89961ffbd8c6693ab7f11a347a6f2ecc64a9e
5. 0x1891155faa7d5458792290bc1f70ebcc2976408e900acdf5718a8c93391e6dfb
6. 0xe9210a12927016e830313b9d08bc5f8880663039d97d443ed0b20345587ad48f
7. 0xefaac0879dc7d1090dd4b6bd1d23ef21c48fa1744c2fd4f022ee3b72a5393e4a
8. 0x1f6d683fb4f81d1be3bdaae5c8d575057472829400156d6a36df76a88a3688da
9. 0x1a7bcb673c86e561d4311448c2fa164d47fb5ccc511309b1ccf3eeabbddc1452
10. 0xb112d75e91fa4fe80daaafca15c62e4215574ef2ab163bd55c3aebd3585ee1ce
11. 0xc4d93c9f459ec7fabd99e7cea142fdb3747969b549cd9734f1b5f97fe8e9f423
12. 0x40cda849f196b23b403644105d4f1063db99ae7d719dda5c89cde226dda23a03
13. 0x79594d72fb70613c6a2b4c1ecd92ae15b13d4b81445a6a934b9b245d994a0bef
14. 0x030ea611a04a437f2c80577f6ab0971a98e22d40a72366c4d176ac9c95399553
15. 0x70547116135ca2b169483009739d1d461bcb7d178c352479612fae712aca3f88
16. 0x71e74c274b23c9047354edb6dcd2c654415e3986b8bd875dae992996ea12e22b
17. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861